350-701 Exam Dumps - Cisco CCNP Security Questions and Answers

The mechanism that the engineer should configure to accomplish the goal of sending telemetry using the cloud provider’s mechanisms to a security device is VPC flow logs. VPC flow logs are a feature of Google Cloud that capture and record information about the network flows sent from and received by the virtual machines (VMs) inside a VPC network1. VPC flow logs can provide network telemetry data such as source and destination IP addresses, ports, protocols, bytes sent and received, and connection state1. VPC flow logs can be exported to Cloud Logging, Pub/Sub, or Cloud Storage for further analysis by security devices or tools1. VPC flow logs can help the engineer to perform behavioral analysis to detect malicious activity on the hosts, such as network scans, port sweeps, brute force attacks, data exfiltration, or lateral movement2.

The other options are not correct mechanisms to send telemetry using the cloud provider’s mechanisms to a security device. Option A is incorrect because mirror port is not a feature of Google Cloud, but rather a network device configuration that copies traffic from one port to another for monitoring purposes3. Option B is incorrect because flow is not a specific mechanism, but rather a generic term that refers to a sequence of packets between a source and a destination4. Option C is incorrect because NetFlow is not a feature of Google Cloud, but rather a network protocol developed by Cisco that collects and aggregates information about network flows5. NetFlow is not compatible with VPC flow logs, which use a different format6. References:

VPC flow logs overview

When to use 5 telemetry types in security threat monitoring

What is a Mirror Port?

What is a Network Flow?

What is NetFlow?

Exporting VPC flow logs to Pub/Sub

 TACACS+ is a protocol that provides authentication, authorization, and accounting (AAA) services for network devices. Unlike RADIUS, which only supports authorization at the user level, TACACS+ supports authorization at the command level. This means that TACACS+ can verify the permissions of the network administrator for every command that is entered, and allow or deny access accordingly. This provides more granular and secure control over network resources and operations. EAPOL, SSH, and RADIUS are not protocols that can provide command-level authorization for AAA. References :=

Some possible references are:

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 1: Security Concepts, Lesson 1.2: Network Security Devices and Cloud Services, Topic 1.2.3: AAA

350-701 SCOR - Cisco, Exam Topics, 1.0 Security Concepts, 1.2 Compare network security solutions, 1.2.a AAA

What Is AAA Security? | Fortinet, Authentication, Authorization, and Accounting (AAA)

Microsegmentation is a technology that limits communication between nodes on the same network segment to individual applications by creating secure zones across cloud and data center environments. Microsegmentation isolates application workloads from one another and secures them individually with granular firewall policies based on a zero-trust security approach1. Microsegmentation can reduce the attack surface, prevent the lateral movement of threats, and strengthen regulatory compliance1.

Serverless infrastructure is a technology that allows developers to run code without provisioning or managing servers2. Serverless infrastructure does not limit communication between nodes on the same network segment to individual applications, but rather abstracts away the underlying infrastructure from the application logic.

SaaS deployment is a technology that delivers software applications over the internet as a service3. SaaS deployment does not limit communication between nodes on the same network segment to individual applications, but rather provides access to software applications from any device and location.

Machine-to-machine firewalling is a technology that controls the communication between machines or devices on a network. Machine-to-machine firewalling does not limit communication between nodes on the same network segment to individual applications, but rather applies rules to the traffic between machines or devices based on their IP addresses, ports, protocols, or other criteria.

References :=

What Is Micro-Segmentation? - Cisco

What is serverless?

What is SaaS?

[Machine-to-Machine Firewalling]

A next-generation endpoint security solution is a modern approach of combining user and system behavior analytics with AI and machine learning to provide endpoint security12. These solutions are specifically designed to detect unknown malware and zero-day threats, which other non-next-generation solutions might fail to detect3. Two key deliverables that help justify the implementation of a next-generation endpoint security solution are:

Continuous monitoring of all files that are located on connected endpoints. This feature allows the solution to scan and analyze all files on the endpoints, regardless of their origin or type, and identify any malicious or suspicious behavior. This helps to prevent malware from infecting the endpoints or spreading to other devices on the network4.

Real-time feeds from global threat intelligence centers. This feature enables the solution to leverage the latest information and insights from various sources, such as security researchers, vendors, and customers, to detect and block new and emerging threats. This helps to keep the endpoints updated and protected from the most advanced and sophisticated attacks5.

References := 1: Overview of next-generation protection in Microsoft Defender for Endpoint 2: What Is Next-Generation Endpoint Security? 2024 Ultimate Guide - SelectHub 3: [Next

MFA, or multi-factor authentication, is a method of verifying a user’s identity by requiring two or more factors, such as something the user knows (e.g. password), something the user has (e.g. phone), or something the user is (e.g. fingerprint). MFA is an effective deterrent for phishing attacks, which are attempts to trick users into revealing their credentials or other sensitive information by sending them fraudulent emails or websites that impersonate legitimate entities. MFA can prevent phishing attacks by adding an extra layer of security that is not easily compromised by the attackers, even if they manage to obtain the user’s password. For example, if the user receives a phishing email that asks them to log in to their bank account, and they enter their password on the fake website, the attacker will not be able to access the account unless they also have the user’s phone or fingerprint. MFA can also alert the user of a phishing attempt if they receive an unexpected authentication request on their phone or other device. References:

What Type of Attacks Does MFA Prevent? | OneLogin

Multi-Factor Authentication and Cyberattacks - NYU

A site-to-site VPN establishes an encrypted connection between VPN gateways so that hosts on two protected private networks can communicate across an untrusted network. A remote-access VPN instead provides an individual user or endpoint with an encrypted connection to a private network, normally through client software or a clientless access method. Therefore, D accurately states the architectural difference. GET VPN, GRE over IPsec, and virtual tunnel interfaces are particular technologies or implementation choices; they do not define the universal distinction between the two VPN categories. Option A reverses the roles and incorrectly makes software endpoints characteristic of site-to-site VPNs. The determining factor is whether the tunnel joins entire networks through VPN gateways or connects an individual remote endpoint to protected organizational resources. Cisco VPN overview

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 Cisco AMP for Endpoints is the Cisco security solution that determines if an endpoint has the latest OS updates and patches installed on the system. Cisco AMP for Endpoints is a cloud-based endpoint protection platform that provides advanced malware prevention, detection, and response capabilities. One of the features of Cisco AMP for Endpoints is the Endpoint Compliance Scanner, which allows administrators to create and enforce policies that check the compliance status of endpoints based on various criteria, such as OS version, patch level, antivirus status, firewall status, and more. The Endpoint Compliance Scanner can also remediate non-compliant endpoints by applying patches, updating antivirus signatures, enabling firewall, and so on. By using the Endpoint Compliance Scanner, administrators can ensure that all endpoints are up to date and secure against known vulnerabilities and threats. References:

Cisco AMP for Endpoints

Endpoint Compliance Scanner

Implementing and Operating Cisco Security Core Technologies (SCOR) - Module 4: Endpoint Protection and Detection

 Platform as a Service (PaaS) is a cloud service model that delivers and manages all the hardware and software resources to develop applications through the cloud. The service provider is responsible for the infrastructure, middleware, runtime, and operating system, while the customer only has to focus on the application and data. PaaS enables the customer to avoid the hassle of patching, updating, or maintaining the operating system, as well as the underlying hardware and network12. Infrastructure as a Service (IaaS) is a cloud service model that delivers on-demand infrastructure resources, such as compute, storage, networking, and virtualization, to the customer via the cloud. The service provider hosts and manages the infrastructure, but the customer is responsible for the operating system, middleware, virtual machines, and any apps or data. IaaS requires the customer to handle the patch management of the operating system, as well as the security and configuration of the virtual machines34. References := 1: Use platform as a service (PaaS) options - Azure Architecture Center 2: What is Platform-as-a-Service (PaaS)? - Cloudflare 3: PaaS vs IaaS vs SaaS: What’s the difference? | Google Cloud 4: SaaS vs PaaS vs IaaS: What’s The Difference & How To Choose – BMC Software | Blogs

Explanation

A Proxy Auto-Configuration (PAC) file is a JavaScript function definition that determines whether web browser

requests (HTTP, HTTPS, and FTP) go direct to the destination or are forwarded to a web proxy server.

PAC files are used to support explicit proxy deployments in which client browsers are explicitly configured to

send traffic to the web proxy. The big advantage of PAC files is that they are usually relatively easy to create

and maintain.